Herald
Alpha acid
9–13%
Beta acid
4.5–5.5%
Total oil
1–1.9 mL
United Kingdom
Stirling
Alpha acid
6–12%
Beta acid
4–6%
Total oil
1.3–1.9 mL
United States
Key differences
When to pick Herald
- Higher alpha acid - stronger bittering
When to pick Stirling
- More myrcene - pronounced citrus and resinous notes
Aroma profile and use
No shared aromas - the varieties have divergent profiles.
Only in Herald
OrangeGrapefruitCitrusClean
Only in Stirling
HerbalCitusSpicyFloral
Property
| Property | Herald | Stirling |
|---|---|---|
| Alpha acid | 9–13% | 6–12% |
| Beta acid | 4.5–5.5% | 4–6% |
| Co-humulone | 35–37% | 21–28% |
| Total oil | 1–1.9 mL | 1.3–1.9 mL |
| Myrcene | 39–41% | 44–48% |
| Humulene | 14–16% | 19–23% |
| Caryophyllene | 6–8% | 5–7% |
| Farnesene | 0–1% | 11–17% |
| Origin | United Kingdom | United States |
| Purpose | Dual purpose | Dual purpose |